(19)
(11) EP 0 451 695 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
02.06.1993 Bulletin 1993/22

(43) Date of publication A2:
16.10.1991 Bulletin 1991/42

(21) Application number: 91105304.9

(22) Date of filing: 04.04.1991
(51) International Patent Classification (IPC)5: H04Q 3/70, H04M 3/42
(84) Designated Contracting States:
CH DE FR GB IT LI NL SE

(30) Priority: 05.04.1990 US 507076

(71) Applicant: TEXAS INSTRUMENTS INCORPORATED
Dallas Texas 75265 (US)

(72) Inventors:
  • McMahan, Michael L.
    Plano, Texas 75074 (US)
  • Scruggs, Jeffrey L.
    Lewisville, Texas 75067 (US)
  • Harrison, Herman W.
    Plano, Texas 75023 (US)
  • Mathes, Connie M.
    Plano, Texas 75023 (US)
  • Price, Barry
    Austin, Texas 78727 (US)
  • Meharg, Earl B.
    Austin, Texas 78759 (US)
  • Killian, Robert T.
    Garland, Texas 75040 (US)
  • Hendrickson, Jeffrey J.
    Irving, Texas 75061 (US)

(74) Representative: Leiser, Gottfried, Dipl.-Ing. et al
Prinz & Partner, Manzingerweg 7
D-81241 München
D-81241 München (DE)


(56) References cited: : 
   
       


    (54) Method and apparatus for securing access to telecommunications based assets and services


    (57) A method and apparatus for authorizing access to telecommunications based assets and services includes acknowledging an attempt by a caller to use the service, requesting entry of a service access, requesting entry of an authorization code, requesting voice entry of a password, verifying the identity of the caller based on the caller's voice, and allowing access to the service if the caller's identity is verified as being that of a valid subscriber to the service.
    Other methods and apparatuses are also disclosed.






    Search report